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
Methods of producing the membranes and the uses of membranes as battery separator films
Method of treating a preceramic material
Apparatus and method for recording reboot reason of equipment
Process for preventing polymerization of cracked volatile products during pyrolysis and gasification
Asymmetric switching rectifier
Testing apparatus and testing method for telephone apparatus
Image forming apparatus
  Randomly Featured Patents
Method and portable apparatus for recognizing barcodes
Physical item security: tracking device activation
Folding child stroller and frame carrier
Personal online banking with integrated online statement and checkbook user interface
High-pressure discharge lamp
Flame retardant cable
Method of making a golf ball with a multi-layer core
Method and apparatus for recording data on an optical recording medium
Analysis method about relationship of beating signal and heart function
System for combining adjacent push/pop stack program instructions into single double push/pop stack microinstuction for execution