Patents by Inventor Hans-Dieter Osterloh

Hans-Dieter Osterloh 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).

  • Telephone handset for table and wall operation
    Patent number: 4937859
    Abstract: A projection of a retaining element swivel-mounted inside a base part of a telephone set projects through the region of the cradle for the handset of the telephone set. The projection engages in a recess of the handset. The retaining element is directly connected with the switch bar for the cradle switch, swivel-mounted and under spring tension.
    Type: Grant
    Filed: March 23, 1989
    Date of Patent: June 26, 1990
    Assignee: Siemens Aktiengesellschaft
    Inventor: Hans-Dieter Osterloh