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
Tranverse in-core probe monitoring and calibration device for nuclear power plants, and method thereof
LED lighting module
Magnetic impedance element and magnetic sensor using the same
Compositions and processes for forming photovoltaic devices
Fixing device and image forming apparatus
Print control server, print controlling method, and print control program
Acoustic echo cancellation
  Randomly Featured Patents
Sideways movement propelled scooter device
Window defect planar mapping technique
Decorative slider with wear resistance
System and method for providing content to a mobile device
Universal memory module/PCB storage, transport, automation handling tray
Catalyst composition and processes therefor and therewith
Navigation system for cardiac therapies
Block polymer and device
Semiconductor device with capacitor
Self-expanding medical device for centering radioactive treatment sources in body vessels