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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4300776 |
Sealing assembly for two relatively movable machine parts |
Nov. 17, 1981 |
| 4300775 |
Liquid-filled radial seal |
Nov. 17, 1981 |
| 4300774 |
Removable sealing plug for spaced apart wall structure |
Nov. 17, 1981 |
| 4300773 |
Sealing device |
Nov. 17, 1981 |
| 4300772 |
Sealing arrangement for rotatably mounted shafts |
Nov. 17, 1981 |
| 4300771 |
Ball and string skill toy |
Nov. 17, 1981 |
| 4300770 |
Electronic board game |
Nov. 17, 1981 |
| 4300769 |
Kicker apparatus for pinball machine |
Nov. 17, 1981 |
| 4300768 |
Chess-like board games |
Nov. 17, 1981 |
| 4300767 |
Inflated game ball having long lasting pressure retention with decreased noise |
Nov. 17, 1981 |
| 4300766 |
Hockey-type table game apparatus |
Nov. 17, 1981 |
| 4300765 |
Batting aid |
Nov. 17, 1981 |
| 4300764 |
Basketball hoop with shield |
Nov. 17, 1981 |
| 4300763 |
Psychological game device |
Nov. 17, 1981 |
| 4300762 |
Surprise action game |
Nov. 17, 1981 |
| 4300761 |
Spring type exercising device |
Nov. 17, 1981 |
| 4300760 |
Exercise device |
Nov. 17, 1981 |
| 4300759 |
Inflatable aquatic exerciser |
Nov. 17, 1981 |
| 4300758 |
Reverser mechanism for duplex printing/paper handling apparatus for cut sheet printing |
Nov. 17, 1981 |
| 4300757 |
Apparatus for receiving recording sheets in upset state for copying machine |
Nov. 17, 1981 |
| 4300756 |
In-feed paper buckle control apparatus |
Nov. 17, 1981 |
| 4300755 |
Miter box construction with clamp means |
Nov. 17, 1981 |
| 4300754 |
Welding clamp |
Nov. 17, 1981 |
| 4300753 |
Hot metal runner system with air pollution controls |
Nov. 17, 1981 |
| 4300752 |
Hog lot gate |
Nov. 17, 1981 |
| 4300751 |
Foldable and height adjustable overhead lift |
Nov. 17, 1981 |
| 4300750 |
Position indicating valves |
Nov. 17, 1981 |
| 4300749 |
Throttle valve |
Nov. 17, 1981 |
| 4300748 |
Axial flow valve |
Nov. 17, 1981 |
| 4300747 |
Flat shoe form tie bracket for use with concrete forms |
Nov. 17, 1981 |
| 4300746 |
Apparatus and method for manufacturing concrete structural modules |
Nov. 17, 1981 |
| 4300745 |
Device for hanging a drapery rod bracket on wallboard |
Nov. 17, 1981 |
| 4300744 |
Apparatus for enabling movement of a binder between stored and readable positions relative to a ... |
Nov. 17, 1981 |
| 4300743 |
Music stand tray accessory |
Nov. 17, 1981 |
| 4300742 |
Cane holder |
Nov. 17, 1981 |
| 4300741 |
Swingable hanger support member |
Nov. 17, 1981 |
| 4300740 |
Easily movable shelf for step ladder |
Nov. 17, 1981 |
| 4300739 |
Adjustable pole-mounted mail box support |
Nov. 17, 1981 |
| 4300738 |
Duct support structure |
Nov. 17, 1981 |
| 4300737 |
Satellite deployment system with remotely controlled relocking capability |
Nov. 17, 1981 |
| 4300736 |
Fire control system |
Nov. 17, 1981 |
| 4300735 |
Tape recorder |
Nov. 17, 1981 |
| 4300734 |
Packaged strand |
Nov. 17, 1981 |
| 4300733 |
Seat belt take-up device provided with an emergency-locking mechanism |
Nov. 17, 1981 |
| 4300732 |
Up-and-down pulley device for suspension lamps and the like |
Nov. 17, 1981 |
| 4300731 |
Belt roll-up retractor |
Nov. 17, 1981 |
| 4300730 |
Disengageable locking mechanism in a fishing reel |
Nov. 17, 1981 |
| 4300729 |
Tape clamp for magnetic tape magazine |
Nov. 17, 1981 |
| 4300728 |
Apparatus for packaging strand |
Nov. 17, 1981 |
| 4300727 |
Mandrel for a ball winding machine |
Nov. 17, 1981 |
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