Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Helffrich; David J.
Address:
Bethlehem, PA
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4959795 Insertion machine with distributed chargeback September 25, 1990
In a document insertion machine, third-party advertising documents are fed from downstream insert stations (36, 37, 38, 39). The third party insert stations include an optional insert station (39) from which documents are to be fed only if the additional weight occasioned by the feeding










 
 
  Recently Added Patents
Semiconductor devices having through electrodes and methods of fabricating the same
Printing device, printing system, program, and printing method for printing based on print data from a user authorized to issue a print instruction for the print data
Measurement of an analyte on the skin using a hue angle
Electrical terminal
Elastic polypropylene-based film compositions
RPM Controlled Wind Power Generation System
Perspective runway system
  Randomly Featured Patents
Corona generating device
Air conditioner
Auto-loading fluid exchanger and method of use
Method and system for facilitating fast wake-up of a flash memory system
Microelectronic thermoelectric device and systems incorporating such device
Polyester resin composition and film using the same
Display screen with a user interface icon
Dry powder inhaler devices, multi-dose dry powder drug packages, control systems, and associated methods
On site generation of alkalinity boost for ware washing applications
Group II-VI semiconductor devices