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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4181098 |
Heat generation by frictional vaporization |
Jan. 1, 1980 |
| 4181097 |
Automatic feeding devices for domestic animals |
Jan. 1, 1980 |
| 4181096 |
Pet and baby toilet seat |
Jan. 1, 1980 |
| 4181095 |
Screen assembly for animal litter station |
Jan. 1, 1980 |
| 4181094 |
Excess developer removal apparatus |
Jan. 1, 1980 |
| 4181093 |
Spraying system with improved exhaust |
Jan. 1, 1980 |
| 4181092 |
Machine for treating pipe interiors |
Jan. 1, 1980 |
| 4181091 |
Apparatus for pickling cast rod |
Jan. 1, 1980 |
| 4181090 |
Dial-a-Metric |
Jan. 1, 1980 |
| 4181089 |
Casette tape take-up indicator |
Jan. 1, 1980 |
| 4181088 |
Underbed thread trimmer for sewing machines |
Jan. 1, 1980 |
| 4181087 |
Method for initially positioning a traveling buttonhole presser foot |
Jan. 1, 1980 |
| 4181086 |
Pattern selecting system for sewing machine |
Jan. 1, 1980 |
| 4181085 |
Automatic sewing apparatus |
Jan. 1, 1980 |
| 4181084 |
Buttonhole bar tacker sewing machine with a device for controlling the buttonhole length termina... |
Jan. 1, 1980 |
| 4181083 |
Mechanism for controlling the workpiece pressure grippers of buttonhole bar tacker sewing machin... |
Jan. 1, 1980 |
| 4181082 |
Solid fuel furnace |
Jan. 1, 1980 |
| 4181081 |
Pollution reduction smokeless auto incinerator |
Jan. 1, 1980 |
| 4181080 |
Support structure for a magnetically levitated vehicle |
Jan. 1, 1980 |
| 4181079 |
Hollow charge ammunition construction |
Jan. 1, 1980 |
| 4181078 |
Automatic recirculating duplicator |
Jan. 1, 1980 |
| 4181077 |
Preparation of printing surfaces |
Jan. 1, 1980 |
| 4181076 |
Ink return circuit for a flexographic printing machine |
Jan. 1, 1980 |
| 4181075 |
Bumper-press printing device |
Jan. 1, 1980 |
| 4181074 |
Rotisserie and brazier |
Jan. 1, 1980 |
| 4181073 |
Chalupa frying utensil |
Jan. 1, 1980 |
| 4181072 |
Continuous pressure cooking apparatus |
Jan. 1, 1980 |
| 4181071 |
Modifiable receptacle teapot |
Jan. 1, 1980 |
| 4181070 |
Method of making variable pleat paper |
Jan. 1, 1980 |
| 4181069 |
Method for producing double streams of side-welded bags in heat-welded pad form |
Jan. 1, 1980 |
| 4181068 |
Apparatus for producing paper towels |
Jan. 1, 1980 |
| 4181067 |
Distributor for hydraulic motors |
Jan. 1, 1980 |
| 4181066 |
Expansible chamber motor |
Jan. 1, 1980 |
| 4181065 |
Two stage vacuum break |
Jan. 1, 1980 |
| 4181064 |
Hydraulic brake booster |
Jan. 1, 1980 |
| 4181063 |
Pantograph machine |
Jan. 1, 1980 |
| 4181062 |
Release assembly using separation nuts and thrusters |
Jan. 1, 1980 |
| 4181061 |
Fastening element |
Jan. 1, 1980 |
| 4181060 |
Helical anchor |
Jan. 1, 1980 |
| 4181059 |
Circuit for simulating sound of wire brush rotated around head of snare drum |
Jan. 1, 1980 |
| 4181058 |
Electrical string-instrument |
Jan. 1, 1980 |
| 4181057 |
Portable radial saw |
Jan. 1, 1980 |
| 4181056 |
Double bay woodworking machine |
Jan. 1, 1980 |
| 4181055 |
Apparatus for automatically cutting sheet material |
Jan. 1, 1980 |
| 4181054 |
Apparatus for cutting panels to size |
Jan. 1, 1980 |
| 4181053 |
Food slicers |
Jan. 1, 1980 |
| 4181052 |
Apparatus for stacking filled bags |
Jan. 1, 1980 |
| 4181051 |
Method of making fluid-issuing openings through the walls of flexible plastic members, particula... |
Jan. 1, 1980 |
| 4181050 |
Can cutting apparatus and method |
Jan. 1, 1980 |
| 4181049 |
Method of machining solids of revolution by rotary cutting tools and a toolholder for carrying s... |
Jan. 1, 1980 |
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