Patents by Inventor Petrus Adrianus Wilhelmus Hendrik van Vroenhoven

Petrus Adrianus Wilhelmus Hendrik van Vroenhoven has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Injection syringe holder having a blocking member
    Patent number: 4006849
    Abstract: A holder for an injection syringe which can accommodate cartridges of different length and diameter. The holder contains a channel-shaped body provided at one end with a guide member for a plunger rod and at the other end with a shoulder. A blocking member is movable in the holder to center and hold the cartridge against the shoulder.
    Type: Grant
    Filed: October 2, 1975
    Date of Patent: February 8, 1977
    Assignee: U.S. Philips Corporation
    Inventor: Petrus Adrianus Wilhelmus Hendrik van Vroenhoven